volframit

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Turkish - English
wolframite
A mineral that consists of a tungstate of iron and manganese; (Fe,Mn)WO4
Tungstate of iron and manganese, generally of a brownish or grayish black color, submetallic luster, and high specific gravity
{i} mineral
a mineral consisting of iron-manganese tungstate in crystalline form; the principal ore of tungsten; found in quartz veins associated with granitic rocks
It occurs in cleavable masses, and also crystallized
A mineral that consists of a tungstate of iron and manganese; (Fe,Mn)WO{4}
Called also wolfram